Winnowing machine

Abstract

An air inlet is formed in the bottom of a box body, an air outlet is formed in the top of the box body, air enters from the air inlet by an external fan, air exits from the air outlet, and then materials are conveyed and sorted through wind power, and a feeding structure is arranged on the side face of the box body in a penetrating mode. The feeding structure comprises a feeding port and a feeding device used for pushing materials into the box body from the feeding port, a through port, connected with the box body, of the feeding mechanism is a discharging port, the materials enter the box body from the feeding port, fall into the box body from the discharging port and start to be sorted through wind power, meanwhile, a material loader is further arranged in the box body, and the material loader is used for loading the materials into the box body. The arrangement position of the material loader in the vertical direction is lower than the discharge port so that acrylic materials can fall on the material loader, meanwhile, the edge of the material loader is at least partially separated from the box body, and compared with impurities such as plastic and films which are rolled upwards by artificial whirlwind of the draught fan, the material loader is not prone to falling off. And the acrylic material falls down from the gap between the material loader and the box body.

Description

Technical Field

[0001] The utility model relates to the technical field of material screening, in particular to an air separator. Background Art

[0002] The working principle of the air separator is mainly to use wind power to sort materials of different densities and particle sizes into the required light and heavy materials. In normal factory activities, the composition of the materials to be air-separated is relatively complex, and it is difficult to accurately distinguish the materials simply by wind power. When the existing air separator is used to sort acrylic and other common impurities such as films and plastics, small acrylics will be sorted together with impurities such as films and plastics. In this process, small acrylics cannot be screened because they are blown out by the artificial cyclone of the air separator, resulting in a large material loss and a low material recovery rate. Utility Model Content

[0003] The main purpose of the utility model is to provide an air separator, which aims to solve the technical problems of large material loss and low material recovery rate in the air separator of the prior art when separating acrylic and impurities.

[0004] To achieve the above-mentioned purpose, the present invention provides an air separator, comprising:

[0005] The box body includes an air inlet arranged at the bottom of the box body and an air outlet arranged at the top of the box body;

[0006] The feeding mechanism is provided through the side of the box body. The feeding mechanism includes a feeding port and a feeding device for pushing the material from the feeding port into the box body. The opening connecting the feeding mechanism and the box body is the discharge port.

[0007] The material carrier is arranged in the box body, and the material carrier is arranged at a vertical position lower than the discharge port, for receiving the material falling from the discharge port, and the edge of the material carrier is at least partially separated from the box body.

[0008] Furthermore, the shape of the material carrier is set to be conical, and the placement direction of the material carrier inside the box is limited to a state when both sides of the cone are facing upwards.

[0009] Furthermore, the interior of the conical structure of the material carrier is at least partially hollowed out in an upward direction from the bottom surface.

[0010] Furthermore, the material carrier is connected to a support rod for limiting the material carrier to a state in which both sides face upward and fixing the material carrier at a specific location inside the box.

[0011] Furthermore, the support rod is connected above or below the material carrier, and a rotating device is provided at one end of the support rod away from the material carrier. The support rod drives the material carrier through the rotating device, and the support rod and the material carrier rotate horizontally around the rotating device together.

[0012] Furthermore, the support rod is pivotally connected to the material carrier, and the material carrier can rotate horizontally around a connection point connected to the support rod.

[0013] Furthermore, the support rod is provided with a reinforcement rod for enhancing the stability of the support rod.

[0014] Furthermore, the feeding device is a screw conveyor.

[0015] Furthermore, the screw conveyor adopts a shaft screw conveyor, which includes a screw, a trough, a feed port arranged at one end of the trough, a discharge port arranged at the other end of the trough and a drive motor, and the drive motor is transmission-connected to the screw.

[0016] Furthermore, a bracket for placing an external fan is fixedly connected to the bottom of the box body, and the internal structure of the bracket located next to the air inlet is at least partially hollowed out.

[0017] The technical solution of the utility model is to set an air inlet at the bottom of the box body, and to set an air outlet at the top of the box body. The external fan takes in air from the air inlet and discharges air from the air outlet, so as to transport and sort the materials by wind. A feeding structure is provided through the side of the box body, and the feeding structure includes a feeding port and a feeding device for pushing the materials from the feeding port into the box body. The through port connecting the feeding mechanism and the box body is the discharge port. The materials enter from the feeding port, fall from the discharge port into the inside of the box body and begin to be sorted by wind. At the same time, a material carrier is also provided in the box body, and the material carrier is provided in the vertical direction. The position is lower than the discharge port so that the acrylic material can fall on it. At the same time, the edge of the material carrier is at least partially separated from the box body. Compared with impurities such as plastics and films that are rolled up by the artificial cyclone of the fan, the acrylic material will fall down from the gap between the material carrier and the box body. The utility model mainly uses the material carrier to make small pieces of acrylic materials that cannot be well screened in the general technology fall on the material carrier, thereby avoiding being sorted together with common light materials such as plastics and films. The utility model has the beneficial technical effects of low material loss and high material recovery rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the planar structure of the utility model;

[0020] Figure 3It is a vertical cross-sectional view of the utility model;

[0021] Figure 4 It is a horizontal sectional view of the present utility model.

[0022] The above drawings include the following reference numerals:

[0023] 1. Box body; 11. Air inlet; 12. Air outlet; 2. Feeding mechanism; 21. Feeding port; 22. Feeding device; 221. Driving motor; 222. Material trough; 223. Screw; 23. Discharge port; 3. Material carrier; 4. Support rod; 5. Reinforcement rod; 6. Bracket. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0026] In addition, if there are descriptions involving "first" or "second" in the embodiments of the present invention, the descriptions of "first" or "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features specified as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0027] The present invention provides an air separator. The main purpose of the present invention is to distinguish acrylic materials from corresponding light impurities such as films and plastics. Therefore, acrylic-plastic / film is used as an example to illustrate different embodiments. Other similar material combinations can be referred to the contents of this specification.

[0028] In the embodiment of the present utility model, Figures 1 to 4 As shown, the air separator includes a box body 1, and the box body 1 includes an air inlet 11 arranged at the bottom of the box body 1 and an air outlet 12 arranged at the top of the box body 1. The external fan takes in air from the air inlet 11 and discharges air from the air outlet 12, thereby transporting and sorting the material by wind. The air separator also includes a feeding mechanism 2, which is arranged through the side of the box body 1. The feeding mechanism 2 includes a feeding port 21 and a feeding device 22 for pushing the material from the feeding port 21 into the box body 1. The opening connecting the feeding mechanism 2 and the box body 1 is the outlet 23. When the feeding mechanism 2 is in operation, the material is discharged from the feeding port 21 to the box body 1. After entering the opening 21, it is further pushed by the feeding device 22, and finally falls from the discharge port 23 into the interior of the box 1 to begin sorting by wind. The air separator also includes a material carrier 3 arranged in the box 1, and the material carrier 3 is arranged at a vertical position lower than the discharge port 23. The height is lower than the discharge port 23 in order to receive the material falling from the discharge port 23. At the same time, the edge of the material carrier 3 is at least partially separated from the box 1 to distinguish it from light impurities such as floating films and plastics. The acrylic material falls from the gap between the aforementioned material carrier 3 and the box 1.

[0029] In this embodiment, the shape of the material carrier 3 is variously set, and is preferably set to a cone. Specifically, when set to a cone, the placement direction of the material carrier 3 inside the box body 1 is limited to a state when both sides of the cone are facing upward. When the material falls on the two sides of the cone facing upward, the conical structure of this preferred embodiment will slide down along the conical sides, and then the material after sliding down will contact the cyclone of the external fan from the position of the gap between the material carrier 3 and the box body 1. It can be understood that due to the change in the wind speed and direction layout in the box body 1 caused by the conical structure, large pieces of acrylic will slide directly down from the conical sides in the material falling into the gap, while small pieces of acrylic and light impurities will be blown upward when falling through the gap. After being blown upward, the small pieces of acrylic fall back into the material carrier 3, while the light impurities continue to be blown upward until they are blown to the air outlet 12 and leave the box body 1. At this point, the material carrier 3 enhances the distinction between small pieces of acrylic and light impurities.

[0030] Specifically, the interior of the conical structure of the material carrier 3 is at least partially hollowed out from the bottom upward. Figure 3 As shown in the figure, the hollowed-out portion inside the material carrier 3 stores a higher wind pressure during the operation of the air separator, thereby further improving the material separation. The small acrylics and light impurities located here will slide toward the inner sides of the cone with the blowing air. When they reach the edge gap between the box body 1 and the material carrier 3, the small acrylics are blown away and fall onto the material carrier 3, while the light impurities are blown further toward the air outlet 12 at the top of the box body 1.

[0031] In some other embodiments, the shape of the material carrier 3 can be designed to be a common process shape such as a cylinder, a cube, a cuboid or an irregular body. As long as the shape of the material carrier 3 can carry the material flowing out of the discharge port 23, its basic purpose can be achieved.

[0032] It can be understood that the material carrier 3 can also be coated with a material with strong friction on the surface to facilitate the loading of materials. In addition, the material carrier 3 can also be coated with a material with weak elasticity or a silent material on the surface to reduce the noise generated by the material colliding with the material carrier 3. This is part of the existing technology and will not be elaborated on. In addition, it is obvious that the material carrier 3 can be directly set to a friction and / or elastic material to facilitate material loading and reduce noise.

[0033] Specifically, in order to ensure the stable setting of the material carrier 3, the material carrier 3 is connected to a support rod 4 for limiting it to a direction state with both sides facing upward and fixing it specifically at a place inside the box body 1. The fixation of the material carrier 3 can also refer to the existing general fixing technology. The setting form of the support rod 4 is relatively simple, so it is displayed as a preferred embodiment.

[0034] More specifically, the support rod 4 is connected above or below the material carrier 3. In order to avoid interference with the discharge port 23 during installation, the support rod 4 is preferably arranged below the material carrier 3. A rotating device (not shown) is provided at one end of the support rod 4 away from the material carrier 3. The support rod 4 drives the material carrier 3 through the rotating device, and the support rod 4 and the material carrier 3 rotate horizontally together around the rotating device.

[0035] In some other embodiments, the support rod 4 is pivotally connected to the material carrier 3 , and the material carrier 3 can rotate horizontally around the connection point with the support rod 4 .

[0036] It should be explained that the above two embodiments are intended to allow the material carrier 3 to have a rotation function. The purpose of adding the rotation function is to reduce the pressure on the material carrier 3 itself through rotation. It can be understood that the acrylic will collide with the material carrier 3 when it moves with the cyclone blown out by the external fan. After being set to a pivot connection, the material carrier 3 rotates with the collision of the material, which can appropriately reduce the pressure.

[0037] Specifically, the support rod 4 is provided with a reinforcement rod 5 for enhancing the stability of the support rod 4. The reinforcement rod 5 is provided in various forms. The reinforcement rod 5 enhances the stability of the support rod 4 to indirectly improve the stability of the material carrying plate.

[0038] In this embodiment, the feeding device 22 is a screw conveyor, which is connected to a drive motor 221. The advantage of the screw conveyor is that it reduces manual operations and saves labor costs. The structure of the screw conveyor is part of the existing technology and will not be described in detail.

[0039] Specifically, the screw conveyor adopts a shaft screw conveyor, which includes a screw 223, a material trough 222, a feed port 21 arranged at one end of the material trough, a discharge port 23 arranged at the other end of the material trough 222, and a drive motor 221. The drive motor 221 is connected to the screw 223 in a transmission manner. The aforementioned drive motor 221 supplies 223 power to the screw, and the screw 223 pushes the material specifically in the direction of the feed port 21, the material trough 222, and the discharge port 23. It can be understood that the advantage of the shaft screw conveyor is that the screw 223 provides support for the overall structure of the feeding mechanism 2, which can improve the stability of the operation. In some other embodiments, a shaftless screw conveyor can also be used. Although the stability is weaker than the former, the transportation efficiency of the shaftless screw conveyor will be higher and it is not easy for the material to stick. The shaftless screw conveyor is an existing technology and will not be described here.

[0040] In this embodiment, if Figures 1 to 3 As shown, a bracket 6 is fixedly connected to the bottom of the box body 1, and the internal structure of the bracket 6 located next to the air inlet 11 is at least partially hollowed out for placing an external fan.

[0041] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A winnowing machine, characterized in that: include: The box body includes an air inlet arranged at the bottom of the box body and an air outlet arranged at the top of the box body; The feeding mechanism is provided through the side of the box body. The feeding mechanism includes a feeding port and a feeding device for pushing the material from the feeding port into the box body. The opening connecting the feeding mechanism and the box body is the discharge port. The material carrier is arranged in the box body, and the material carrier is arranged at a vertical position lower than the discharge port, for receiving the material falling from the discharge port, and the edge of the material carrier is at least partially separated from the box body.

2. The winnowing machine according to claim 1, wherein: The shape of the material carrier is set to be conical, and the placement direction of the material carrier inside the box is limited to a state where both sides of the cone are facing upwards.

3. The winnowing machine according to claim 2, wherein: The interior of the conical structure of the material carrier is at least partially hollowed out from the bottom surface upward.

4. The air separator according to claim 2, wherein: The material carrier is connected to a support rod for limiting the material carrier to a state where both sides thereof face upwards and fixing the material carrier at a specific location inside the box.

5. The air separator according to claim 4, wherein: The support rod is connected above or below the material carrier. A rotating device is provided at one end of the support rod away from the material carrier. The support rod drives the material carrier through the rotating device, and the support rod and the material carrier rotate horizontally around the rotating device together.

6. The air separator according to claim 4, wherein: The support rod is pivotally connected to the material carrier, and the material carrier can rotate horizontally around a joint connected to the support rod.

7. The air separator according to any one of claims 4 to 6, characterized in that: The support rod is provided with a reinforcement rod for increasing the stability of the support rod.

8. The winnowing machine according to claim 4, characterized in that: The feeding device is a screw conveyor.

9. The air separator according to claim 8, wherein: The screw conveyor adopts a shaft screw conveyor, which includes a screw, a trough, a feed port arranged at one end of the trough, a discharge port arranged at the other end of the trough and a drive motor, and the drive motor is connected to the screw.

10. The winnowing machine according to claim 1, wherein: A bracket for placing an external fan is fixedly connected to the bottom of the box body, and the internal structure of the bracket located next to the air inlet is at least partially hollowed out.

Images